Saves a chat window's background opacity setting. Used by the default UI's function FCF_SetWindowAlpha() which changes the opacity of a displayed FloatingChatFrame.

See also Chat functions.


SetChatWindowAlpha(index, alpha)


  • index - Index of a chat frame (between 1 and NUM_CHAT_WINDOWS) (number)
  • alpha - Alpha value (opacity) of the chat window background (0 = fully transparent, 1 = fully opaque) (number)